From patchwork Wed Aug 26 14:51:39 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Krzysztof Kozlowski X-Patchwork-Id: 257336 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-14.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 012B3C433DF for ; Wed, 26 Aug 2020 14:52:37 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D17912224D for ; Wed, 26 Aug 2020 14:52:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1598453556; bh=9WnEmDPaImvJaOTWnFx8b/OSZEA9nx5y8bHKHDlhKUI=; h=From:To:Subject:Date:In-Reply-To:References:List-ID:From; b=uYxmOTpiyxh3G4sLxBIL+cf5nbuKQvTE8T3LRV886HQAW25aJoYwRHlZhifaEd7YS Vir0xJ1mBRQ5MTGzDiddBIBoBXTVNfxAIGsWubleFodvKWXDQTlNsWdTJU0u1I6uNG CgF4Y3pRQ3T74kDtn/Z6OdmRZyR8LtllkW6ChdtE= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727012AbgHZOwg (ORCPT ); Wed, 26 Aug 2020 10:52:36 -0400 Received: from mail.kernel.org ([198.145.29.99]:38352 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727115AbgHZOwO (ORCPT ); Wed, 26 Aug 2020 10:52:14 -0400 Received: from localhost.localdomain (unknown [194.230.155.216]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id C0EAE22B3F; Wed, 26 Aug 2020 14:52:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1598453533; bh=9WnEmDPaImvJaOTWnFx8b/OSZEA9nx5y8bHKHDlhKUI=; h=From:To:Subject:Date:In-Reply-To:References:From; b=aJrqJa6HvWi+UDeHiktjcnwsc8pvpxK3yOD/bTOpc0gZ0Dz5jNA/JXWkV9VjM1hSi EZG3uyLXtjiAu642kY2Xla9sVjz6itQu/EscsjJ+s45ehCjWuRtu4Ye+wq19dH8gsP mAoIMP6wd/aAK7HX8R5JQR+boq/TIuNLctb4AbFY= From: Krzysztof Kozlowski To: Jonathan Cameron , Hartmut Knaack , Lars-Peter Clausen , Peter Meerwald-Stadler , Peter Rosin , Kukjin Kim , Krzysztof Kozlowski , Michael Hennerich , Kevin Hilman , Neil Armstrong , Jerome Brunet , Martin Blumenstingl , Marek Vasut , Maxime Coquelin , Alexandre Torgue , Beniamin Bia , Tomasz Duszynski , Linus Walleij , Jonathan Bakker , Alexandru Ardelean , linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-amlogic@lists.infradead.org, linux-stm32@st-md-mailman.stormreply.com Subject: [PATCH 02/16] iio: accel: mma8452: Simplify with dev_err_probe() Date: Wed, 26 Aug 2020 16:51:39 +0200 Message-Id: <20200826145153.10444-2-krzk@kernel.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200826145153.10444-1-krzk@kernel.org> References: <20200826145153.10444-1-krzk@kernel.org> Sender: linux-samsung-soc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-samsung-soc@vger.kernel.org Common pattern of handling deferred probe can be simplified with dev_err_probe(). Less code and also it prints the error value. Signed-off-by: Krzysztof Kozlowski --- drivers/iio/accel/mma8452.c | 20 ++++++-------------- 1 file changed, 6 insertions(+), 14 deletions(-) diff --git a/drivers/iio/accel/mma8452.c b/drivers/iio/accel/mma8452.c index 4e6e70250048..104b87b98455 100644 --- a/drivers/iio/accel/mma8452.c +++ b/drivers/iio/accel/mma8452.c @@ -1538,22 +1538,14 @@ static int mma8452_probe(struct i2c_client *client, data->chip_info = match->data; data->vdd_reg = devm_regulator_get(&client->dev, "vdd"); - if (IS_ERR(data->vdd_reg)) { - if (PTR_ERR(data->vdd_reg) == -EPROBE_DEFER) - return -EPROBE_DEFER; - - dev_err(&client->dev, "failed to get VDD regulator!\n"); - return PTR_ERR(data->vdd_reg); - } + if (IS_ERR(data->vdd_reg)) + return dev_err_probe(&client->dev, PTR_ERR(data->vdd_reg), + "failed to get VDD regulator!\n"); data->vddio_reg = devm_regulator_get(&client->dev, "vddio"); - if (IS_ERR(data->vddio_reg)) { - if (PTR_ERR(data->vddio_reg) == -EPROBE_DEFER) - return -EPROBE_DEFER; - - dev_err(&client->dev, "failed to get VDDIO regulator!\n"); - return PTR_ERR(data->vddio_reg); - } + if (IS_ERR(data->vddio_reg)) + return dev_err_probe(&client->dev, PTR_ERR(data->vddio_reg), + "failed to get VDDIO regulator!\n"); ret = regulator_enable(data->vdd_reg); if (ret) {